blob: acb6d4d491f4d35b704b2dac6e52ce21cb409161 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/*
* Copyright 2001-2002 Pavel Machek <pavel@suse.cz>
* Based on code
* Copyright 2001 Patrick Mochel <mochel@osdl.org>
*/
#ifndef ASM_X86__SUSPEND_32_H
#define ASM_X86__SUSPEND_32_H
#include <asm/desc.h>
#include <asm/i387.h>
static inline int arch_prepare_suspend(void) { return 0; }
/* image of the saved processor state */
struct saved_context {
u16 es, fs, gs, ss;
unsigned long cr0, cr2, cr3, cr4;
struct desc_ptr gdt;
struct desc_ptr idt;
u16 ldt;
u16 tss;
unsigned long tr;
unsigned long safety;
unsigned long return_address;
} __attribute__((packed));
#ifdef CONFIG_ACPI
extern unsigned long saved_eip;
extern unsigned long saved_esp;
extern unsigned long saved_ebp;
extern unsigned long saved_ebx;
extern unsigned long saved_esi;
extern unsigned long saved_edi;
static inline void acpi_save_register_state(unsigned long return_point)
{
saved_eip = return_point;
asm volatile("movl %%esp,%0" : "=m" (saved_esp));
asm volatile("movl %%ebp,%0" : "=m" (saved_ebp));
asm volatile("movl %%ebx,%0" : "=m" (saved_ebx));
asm volatile("movl %%edi,%0" : "=m" (saved_edi));
asm volatile("movl %%esi,%0" : "=m" (saved_esi));
}
#define acpi_restore_register_state() do {} while (0)
/* routines for saving/restoring kernel state */
extern int acpi_save_state_mem(void);
#endif
#endif /* ASM_X86__SUSPEND_32_H */
|
